Home / 891,749.76-1,337,598.72-260,678.40

Finding the Fourth Proportional to 891,749.76, 1,337,598.72 and 260,678.40

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Solution

The fourth proportional to 891,749.76, 1,337,598.72 and 260,678.40 is: 391,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,749.76 : 1,337,598.72 = 260,678.40 : x
  2. Step 2: Convert to fraction form
    891,749.76/1,337,598.72 = 260,678.40/x
  3. Step 3: Cross multiply
    891,749.76x = 1,337,598.72 × 260,678.40
  4. Step 4: Simplify right side
    891,749.76x = 348,683,094,171.65
  5. Step 5: Solve for x
    x = 348,683,094,171.65/891,749.76
  6. Step 6: Final answer
    x = 391,010.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.